cf.tls_client_auth.cert_issuer_dn_legacy
cf.tls_client_auth.cert_issuer_dn_legacy String The Distinguished Name (DN) of the Certificate Authority (CA) that issued the certificate in the request in a legacy format.
This field is only filled in if the request includes a client certificate for mTLS authentication.
Example value:
"/C=US/ST=Texas/L=Austin/O=Access Testing/OU=TX/CN=Access Testing CA" Categories: 
   - Request
 - mTLS
 
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